Dispersion shifted optical waveguide

Details Dispersion shifted optical waveguide Dispersion shifted optical waveguide

1995-11-21

1997-07-15

Lee, John D.

Optical waveguides

Optical fiber waveguide with cladding

With graded index core or cladding

385123, 385127, G02B 618

Patent

active

056490445

ABSTRACT:
A novel optical waveguide fiber having low total dispersion slope, relatively large mode field diameter, larger effective area, and a relatively simple core profile design is disclosed. The core refractive index profile comprises three segments. The adjustability of the height, width and location of the three core index profile segments, provides sufficient flexibility to meet a specification which calls for a dispersion shifted waveguide fiber capable of limiting four photon mixing or self phase modulation. The novel waveguide is characterized by a mode field diameter .gtoreq.7.5 microns and a total dispersion slope .ltoreq.0.070 ps
m.sup.2 -km.

REFERENCES:
patent: 4699464 (1987-10-01), Cohen et al.
patent: 4822399 (1989-04-01), Kanamori et al.
patent: 4877304 (1989-10-01), Bhagavatula
patent: 5361319 (1994-11-01), Antos et al.
patent: 5504829 (1996-04-01), Evans et al.
patent: 5555340 (1996-09-01), Onishi et al.

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